Vertical Silicon-on-Insulator Coupler for High Density Optical Interconnects
2023 Conference on Lasers and Electro-Optics (CLEO)（2023）
Abstract
We present an ultra-compact dual-polarization coupler working at normal incidence to the chip surface for use with multi-core fibers with a core-to-core spacing down to 15µm. The coupler achieves an unprecedented efficiency of −3.8dB for a device with a footprint of only 100µm
2
and a 3-dB bandwidth of 59nm.
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130.3120,050.2770,060.2310
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